Combined gas and carbon monoxide sensor alarm



FIG. 1 is an exploded perspective view of the combined gas and carbon monoxide sensor alarm showing our new design, the cross-line shading which represents a contrasting surface is partially shown for ease of illustration and is understood to cover the entire surface areas indicated;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a combined gas and carbon monoxide sensor alarm, as shown and described. 